Depending on the version installed, Facebook Messenger can also switch between SMS text messaging and Facebook messaging, making it versatile and increasing the likelihood of the recipient receiving the message in real time.Another draw is that the standalone messaging app is more focused than the general Facebook app even as Messenger offers a good number of hidden features.
Poke never really caught on and Facebook eventually stopped promoting it.
In early 2013, Facebook added free voice calling to its mobile messaging app, first on the i Phone version and then on the Android version, though it did not roll out in all countries for the Android right away.
That same year (2011) it also rolled out "Facebook Messenger" as a separate mobile messaging app for both i Phone and Android devices. As if those features and apps weren't enough, Facebook released a special messaging app for Windows desktop computers in 2012.
Called "Facebook Messenger for Windows," it's basically the same thing as the mobile messenger redesigned for desktop computers running Windows.
Any can download the messenger and use it on an Android phone; it's tied to the phone number rather than to a Facebook user name or email address.